* {
            margin: 0;
            padding: 0;
}

a{ 
    text-decoration: none!important;
    font-size: 14px;
}
a:hover{
    text-decoration: none!important;
}
ul>li {
    list-style: none;
}
/* 头部开始 */
header {
    margin: auto;
    width: 1200px;
}
.headerTop{
    overflow: hidden;
    width: 100%;
    height: 106px;
    /* background-color: #00cf8c; */
}
/* logo */
.headerTop>img{
    width: 179.19px;
    height: 55px;
    float: left;
    margin: 22px 200px 0 0 ;;
}
/* 搜索 */
.searchText{
    
    float: left;
    margin-top: 30px;
}
.headerTop input{
    font-size: 16px;
    line-height: 19px;
    float: left;
    width: 317px;
    height: 38px;
    border-radius: 19px 0 0 19px;
    padding: 6px 11px;
    outline: none;
    outline-color: #00cf8c;
    box-sizing: border-box;
    border: 1px solid #ddd;
}
.headerTop button{
    float: left;
    font-size: 16px;
    line-height: 19px;
    box-sizing: border-box;
    background-color: #00cf8c;
    outline: none ;
    border: none;
    padding: 0 15px;
    width: 83px;
    height: 38px;
    border-radius: 0 19px 19px 0;
    color: white;
}
.icon-fangdajing:hover{
    color: white!important;
}
/* 搜索结束 */

/* 登录结束 */
#nav {
    position: relative;
    /* overflow: hidden; */

}

#courseId {
    position: absolute;
    background-color: white;
    top: 40px;
    left: 60px;
    padding: 0;
    width: 136px;
    font-size: 14px;
    display: none;
    box-shadow: 0 2px 8px rgb(0 0 0 / 15%);
    z-index: 10;
}

#courseId>li {
    /* color: rgba(0, 0, 0, .65); */
    padding: 5px 12px;
}
#courseId>li>a {
    
    display: block;
    
    width: 100%;
    height: 100%;
    color: rgba(0, 0, 0, .65);
}
#courseId>li>a:visited{
    color: rgba(0, 0, 0, .65);
}
#courseId>li:hover {
    cursor: pointer;
    background-color: #e6fff3;
}
#courseId>li:hover>a{
color: #00cf8c!important;

}

#nav>li {
    padding: 10px 30px 10px 0;
    float: left;
}
#nav>li>a{
    color: #00cf8c;
    font-size: 16px!important;
    color: black;
}
#nav>li:nth-child(1){
    position: relative;
}
#nav>li:nth-child(1)>div{
    position: absolute;
    bottom: 0;
    left: 8px;
    width: 16px;
    height: 2px;
    background-color: #00cf8c;
}
#nav>li:nth-child(1)>a{
    box-sizing: border-box;
    color: #00cf8c;
        }
#nav>li:hover>a{
    color: #00cf8c;
    cursor: pointer;
}
/* 头部结束 */
/* 轮播图开始 */
.swiper-container {
        
    margin: auto;
    /* height: 400px; */
    width: 100%;
}

.swiper-wrapper {
    width: 100%;
    height: 400px;
    margin: auto;
    
}
.swiper-slide>a{
    display: block;
    width: 100%;
    height: 400px;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
}
/* 轮播图结束 */
/* 直播开始 */
.liveClass{
    margin-top: 20px;
    overflow:hidden;
    width: 1200px;
    height: 350px;
    box-sizing: border-box;
    /* background-color: #00cf8c; */
}
.liveClass>.left{
    float: left;
    width: 600px;
    height: 100%;
}
.liveClass>.left>#contents>li{
    background-size: 100% 100%;
}
.liveClass>.right{
    float: left;
    width: 600px;
    height: 100%;
    box-sizing: border-box;
    border: 1px solid #ccc;
    background-color: #f4f4f4;
}
.liveClass>.right>ul>li>a{
    border-left: 4px solid transparent;
    color: black;
    display: block;
    height: 50px;
    line-height: 50px;
}
.liveClass>.right>ul>li>a:hover{
    background-color: white;
    color: #00cf8c;
    border-left: 4px solid #00cf8c;
    text-decoration: none;
}
.liveClass>.right>ul>li>a:visited{
    text-decoration: none;
}
.liveClass>.right>ul>li>a>span:nth-child(1){
    color: #00cf8c!important;
    font-size: 18px;
    padding-left: 36px;
}
.liveClass>.right>ul>li>a>span:nth-child(2){
    padding-left: 20px;
}
.liveClass>.right>ul>li>a>span:nth-last-child(1){
    font-size: 16px;
    padding-left: 40px;
}

#titles>li{
    width: 100%;
    padding: 0;
}
#contents {
    margin: auto;
    width: 100%;
    height: 350px;
}

#contents>li {
    width: 100%;
    height: 100%;
    line-height: 350px;
    text-align: center;
    font-size: 50px;
    font-weight: bold;
}
#contents>li:nth-child(1) {
    display: block;
}
.liveClass>.left>ul>li{
    position: relative;
    filter: brightness(90%);
    /* background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)) */
}
/* .modal-backdrop {
  opacity: 0 !important;
  filter: alpha(opacity=0) !important;
} */
.liveClass>.left h3{
    margin-top: 80px;
    color: white;
}
.liveClass>.left span{
    font-weight: 500;
    margin-top: 30px;
    line-height: 30px;
    height: 30px;
    display: block;
    color: white;
    font-size: 14px;
}
.liveClass>.left span>img{
    margin-right: 8px;
}
.liveClass>.left button{
    position: absolute;
    /* margin-top: -0!important; */
    top: 210px;
    left: 210px;
    font-size: 20px;
    font-weight: 500;
    line-height: 50px;
    color: white;
    border-radius: 2px;
    outline: none;
    border: 0;
    background-color: #00cf8c;
    width: 180px;
    height: 50px;
}
/* 直播结束 */
/* 免费课程开始 */
/* 免费课程标题开始 */
body>section ul>li>a:nth-child(2){
    display: block;
    width: 100%;
    white-space:nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.freeTitle{
    border-bottom: 2px solid #e7e7e7;
    position: relative;
    text-align: center;
    margin-top: 30px;
    width: 1196px;
    height: 48px;
    padding: 0 12px 10px 0px;
    box-sizing: border-box;
    /* background-color: #00cf8c; */
}
.freeTitle>span:nth-child(1){
    font-size: 24px;
}
.moreCourse{
    color: #999999;
    overflow: hidden;
    position: absolute;
    right: 0;
}
.moreCourse>div{
    text-align: center;
    line-height: 13px;
    float: right;
    margin-left: 4px;
    margin-top: 3px;
    width: 17px;
    height: 17px;
    border-radius: 50%;
    box-sizing: border-box;
    border: 2px solid #999999;
}
/* 免费课程标题结束 */
section{
    margin: auto;
    width: 1200px;
}
section>ul{
    overflow: hidden;
}
section>ul>li{
    padding: 8px;
    box-sizing: border-box;
    float: left;
    width: 240px;
    
}
section>ul>li>a:nth-child(2):hover{
    color: #00cf8c;
}
section>ul>li>a{
    color: black;
    
}
section>ul>li>a:visited{
    color: black;
}
section>ul>li>a:nth-child(1){
    display: block;
    width: 100%;
    height: 112px;
    overflow: hidden;
}
/* 放大图片 */
section>ul>li>a:nth-child(1)>img{
    width: 125%;
    height: 125%;
    margin-left: -28px;
    margin-top: -14px;
    transform: scale(0.8,0.8);
    transition-duration: 0.5s;
    
}
section>ul>li>a:nth-child(1):hover>img{
    transform:none;
}


section>ul>li>span:nth-child(3){
    font-size: 14px;
    color: #888888;
}
section>ul>li>span:nth-child(5){
    font-size: 15px;
    color: #00CF8c;
}
/* 免费课程结束 */

.boutiquePrice{
    margin-right: 6px;
    color: red!important;
}
.discountPrice{
    color: #888888;
    text-decoration: line-through;
}
/* 限时钜惠 */
.discountClass>ul>li,
.fineClass>ul>li{
    position: relative;
}
.discount{
    padding: 2px 6px 0 6px;
    position: absolute;
    right: 14px;
    bottom: 10px;
    display: block;
    font-size: 12px;
    color: #fa8c16!important;
    background: #fff7e6;
    border: 1px solid #ffd591;
}

/* QQ开始 */
.QQ{
    z-index: 100;
    text-align: center;
    border-radius: 6px 6px 0 0 ;
    bottom: 34%;
    right: 2%;
    position: fixed;
    width: 70px;
    height: 210px;
    background-color: #e6f7ff;
}
.QQ img {
    margin-top: 12px;
    margin-left: 17px;
    margin-right: 17px;
}
.QQ>li{
    height: 70px;
    border-top: 1px solid #e8e8e8;
}
.QQ>li>a{
    color: #009688;
    display: block;
}
.QQ>li:nth-child(1){
    border-radius: 6px 6px 0 0 ;
}
.QQ>li:hover{
    background-color: #009688;
    cursor: pointer;
    
}
.QQ>li:hover>a{
    color: white;
}

/* QQ结束 */